VotePredictor
past elections

Florida Senate

Betty Castor (D) vs Mel Martinez (R)

Actual result
R+1.1
Final polls said
D+0.7
20 late polls · ✗
Model predicted
D+0.8
Winner
Rep

"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).

Final rankings

How everyone who called this race did, ranked — VotePredictor shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1Mason-Dixon Polling & StrategyR+1.00.1
2SurveyUSAEVEN1.1
3Zogby AnalyticsEVEN1.1
4EMC ResearchEVEN1.1
5SEA Polling & Strategic DesignEVEN1.1
6ABC News/The Washington PostEVEN1.1
7VotePredictorD+0.81.9
8InsiderAdvantageD+1.02.1
9GallupD+1.02.1
10Quinnipiac UniversityR+5.03.9
11University of North Florida Public Opinion Research LabD+3.04.1
12The Florida PollD+3.14.2
13Global Strategy GroupD+4.05.1
14Opinion DynamicsD+6.07.1

Polls (30)

PollsterDatenPollMiss
InsiderAdvantage2004-10-30400D+1.02
Gallup2004-10-301521D+1.02
SurveyUSA2004-10-30738EVEN1
Opinion Dynamics2004-10-30700D+6.07
Zogby Analytics2004-10-30599EVEN1
Gallup2004-10-291138D+2.03
Quinnipiac University2004-10-291098R+5.04
Mason-Dixon Polling & Strategy2004-10-26625R+1.00
EMC Research2004-10-26600EVEN1
Zogby Analytics2004-10-26599EVEN1
Global Strategy Group2004-10-25700D+4.05
The Florida Poll2004-10-25802D+3.14
Quinnipiac University2004-10-24944R+3.02
SurveyUSA2004-10-23738D+3.04
InsiderAdvantage2004-10-23400R+2.01
InsiderAdvantage2004-10-20400D+7.08
SEA Polling & Strategic Design2004-10-20800EVEN1
Quinnipiac University2004-10-17808EVEN1
SurveyUSA2004-10-16596R+2.01
Mason-Dixon Polling & Strategy2004-10-15625EVEN1
University of North Florida Public Opinion Research Lab2004-10-12614D+3.04
ABC News/The Washington Post2004-10-07655EVEN1
Global Strategy Group2004-10-06679D+7.08
Mason-Dixon Polling & Strategy2004-10-04625R+5.04
Quinnipiac University2004-10-03717R+1.00
SurveyUSA2004-10-02706R+4.03
InsiderAdvantage2004-10-01400R+1.00
Quinnipiac University2004-09-20819D+1.02
Gallup2004-09-20674D+6.07
SurveyUSA2004-09-13602D+4.05